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The ESXi hostd is randomly unresponsive, or the NSX transport shows "disconnected" status. Customers have an NSX solution in their environment. When rebooting the node, the transport node status still shows as "disconnected." Figure 1: User interface showing inventory management and details for clusters in management software.
The NSX Distributed Firewall (DFW) logging function generates a lot of log lines per second on an ESXi host. This may cause host resource exhaustion. vmkernel.0:2024-04-27T17:55:37.947Z Al(177) vmkalert: cpu61:2097837)ALERT: vmsyslog logger syslog1.xxxx domainname.com:514 lost 41907638 log messages vmkernel.0:2024-04-27T17:55:38.635Z Al(177) vmkalert: cpu61:2097837)ALERT: vmsyslog logger x.x.x.x:514 lost 54264938 log messages vmkernel.0:2024-04-25T17:55:37.944Z Al(177) vmkalert: cpu20:2097837)ALERT: vmsyslog logger syslog1.xxxx domainname.com:514 lost 51502708 log messages vmkernel.0:2024-04-25T17:55:38.632Z Al(177) vmkalert: cpu20:2097837)ALERT: vmsyslog logger x.x.x.x:514 lost 66663840 log messages vmkernel.0:2024-04-26T05:55:37.944Z Al(177) vmkalert: cpu62:2097837)ALERT: vmsyslog logger syslog1.xxxx domainname.com:514 lost 49114563 log messages vmkernel.0:2024-04-26T05:55:38.633Z Al(177) vmkalert: cpu62:2097837)ALERT: vmsyslog logger x.x.x.x:514 lost 55692780 log messages
The NSX DFW rule logging feature is only used for DFW troubleshooting purposes. Once DFW troubleshooting has been completed, the customer should disable this feature. Reference VMware KB: https://knowledge.broadcom.com/external/article?legacyId=86355 Figure 2: Network settings menu with logging option turned off
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